Hitachi RAS-(3-6)HVRNM2E Service Manual page 427

10 Servicing
1. 4-way valve coil.
2. 4-way valve coil screw.
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Removing electronic expansion valve coil
1 Remove the service cover following Removing service cover, see on page 408.
2 Open the P plate following Opening electrical box (P plate), see on page 416.
• Check that the LED201 (red) on DIP-IPM is OFF when the P plate is opened.
3 Disconnect the CN5A connector on the control PCB of the electrical box.
4 Hold the coil of the expansion valve and pull out upward.
The expansion valve coil is equipped with a lock mechanism. Ensure that the coil is locked when replacing.
1. Expansion valve coil.
1
2
2. Unlock.
3. Pull out upward.
3
10
D A N G E R
DO NOT touch electrical components while the LED1 (Red) is ON to avoid electrical shock. Wait until the LED
turns off.
417
SMGB0064 rev.0 - 08/2011